Home / 1,387.32-2,081.16-566.04

Finding the Fourth Proportional to 1,387.32, 2,081.16 and 566.04

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Solution

The fourth proportional to 1,387.32, 2,081.16 and 566.04 is: 849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387.32 : 2,081.16 = 566.04 : x
  2. Step 2: Convert to fraction form
    1,387.32/2,081.16 = 566.04/x
  3. Step 3: Cross multiply
    1,387.32x = 2,081.16 × 566.04
  4. Step 4: Simplify right side
    1,387.32x = 1,178,019.81
  5. Step 5: Solve for x
    x = 1,178,019.81/1,387.32
  6. Step 6: Final answer
    x = 849.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.